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Select the correct statement(s)....

Select the correct statement(s).

A

Solids with `F`-centres are paramagnetic.

B

Ferrimagnetic character of `Fe_(3)O_(4)` at room temperature changes to paramagnetic character at `850 K`.

C

Anti-ferrimagetic `V_(2)O_(3)` changes to paramagnetic at `150 K`.

D

Non-stoichiometric `Cu_(2)O` is a `p`-type semiconductor.

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The correct Answer is:
A, B, C, D
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